Solutions by everydaycalculation.com
The GCF of 66 and 139 is 1.
MathStep (Works offline)
Download our mobile app and learn how to find GCF of upto four numbers in your own time:
Android and iPhone/ iPad
Find HCF of: 132 & 278 198 & 417 330 & 695 462 & 973 132 & 139 66 & 278 198 & 139 66 & 417 330 & 139 66 & 695 462 & 139 66 & 973
Enter two numbers separate by comma. To find GCF of more than two numbers, click here.
The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).
© everydaycalculation.com